They grow in a corymbose fashion with the lower branches being longer than the upper ones so that the coral has a level-topped appearance.
[3] Acropora secale is found in the tropical waters of the west Indo-Pacific including the coasts of East Africa, Mozambique, Rodrigues, Aldabra and Chagos.
[2] It is also found further east around Singapore, Thailand, Indonesia, Japan, the Philippines, Taiwan and north and west Australia.
[3] Acropora secale is a hermaphrodite and both female gonads and testes are present and mature once a year.
[3] Fertilisation is external; the developing larvae form part of the plankton and drift with the current before settling on the seabed.